karmada/pkg/util/helper/predicate.go

223 lines
8.0 KiB
Go

package helper
import (
"k8s.io/klog/v2"
controllerruntime "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/event"
"sigs.k8s.io/controller-runtime/pkg/predicate"
clusterv1alpha1 "github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
workv1alpha1 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha1"
"github.com/karmada-io/karmada/pkg/util"
"github.com/karmada-io/karmada/pkg/util/names"
)
// NewExecutionPredicate generates the event filter function to skip events that the controllers are uninterested.
// Used by controllers:
// - execution controller working in karmada-controller-manager
// - work status controller working in karmada-controller-manager
func NewExecutionPredicate(mgr controllerruntime.Manager) predicate.Funcs {
return predicate.Funcs{
CreateFunc: func(createEvent event.CreateEvent) bool {
obj := createEvent.Object.(*workv1alpha1.Work)
// Ignore the object that has been suppressed.
if util.GetLabelValue(obj.Labels, util.PropagationInstruction) == util.PropagationInstructionSuppressed {
klog.V(5).Infof("Ignored Work(%s/%s) create event as propagation instruction is suppressed.", obj.Namespace, obj.Name)
return false
}
clusterName, err := names.GetClusterName(obj.Namespace)
if err != nil {
klog.Errorf("Failed to get member cluster name for work %s/%s", obj.Namespace, obj.Name)
return false
}
clusterObj, err := util.GetCluster(mgr.GetClient(), clusterName)
if err != nil {
klog.Errorf("Failed to get the given member cluster %s", clusterName)
return false
}
return clusterObj.Spec.SyncMode == clusterv1alpha1.Push
},
UpdateFunc: func(updateEvent event.UpdateEvent) bool {
obj := updateEvent.ObjectNew.(*workv1alpha1.Work)
// Ignore the object that has been suppressed.
if util.GetLabelValue(obj.Labels, util.PropagationInstruction) == util.PropagationInstructionSuppressed {
klog.V(5).Infof("Ignored Work(%s/%s) update event as propagation instruction is suppressed.", obj.Namespace, obj.Name)
return false
}
clusterName, err := names.GetClusterName(obj.Namespace)
if err != nil {
klog.Errorf("Failed to get member cluster name for work %s/%s", obj.Namespace, obj.Name)
return false
}
clusterObj, err := util.GetCluster(mgr.GetClient(), clusterName)
if err != nil {
klog.Errorf("Failed to get the given member cluster %s", clusterName)
return false
}
return clusterObj.Spec.SyncMode == clusterv1alpha1.Push
},
DeleteFunc: func(deleteEvent event.DeleteEvent) bool {
obj := deleteEvent.Object.(*workv1alpha1.Work)
// Ignore the object that has been suppressed.
if util.GetLabelValue(obj.Labels, util.PropagationInstruction) == util.PropagationInstructionSuppressed {
klog.V(5).Infof("Ignored Work(%s/%s) delete event as propagation instruction is suppressed.", obj.Namespace, obj.Name)
return false
}
clusterName, err := names.GetClusterName(obj.Namespace)
if err != nil {
klog.Errorf("Failed to get member cluster name for work %s/%s", obj.Namespace, obj.Name)
return false
}
clusterObj, err := util.GetCluster(mgr.GetClient(), clusterName)
if err != nil {
klog.Errorf("Failed to get the given member cluster %s", clusterName)
return false
}
return clusterObj.Spec.SyncMode == clusterv1alpha1.Push
},
GenericFunc: func(genericEvent event.GenericEvent) bool {
return false
},
}
}
// NewPredicateForServiceExportController generates an event filter function for ServiceExport controller running by karmada-controller-manager.
func NewPredicateForServiceExportController(mgr controllerruntime.Manager) predicate.Funcs {
return predicate.Funcs{
CreateFunc: func(createEvent event.CreateEvent) bool {
return false
},
UpdateFunc: func(updateEvent event.UpdateEvent) bool {
obj := updateEvent.ObjectNew.(*workv1alpha1.Work)
if util.GetLabelValue(obj.Labels, util.PropagationInstruction) == util.PropagationInstructionSuppressed {
klog.V(5).Infof("Ignored Work(%s/%s) update event as propagation instruction is suppressed.", obj.Namespace, obj.Name)
return false
}
clusterName, err := names.GetClusterName(obj.GetNamespace())
if err != nil {
klog.Errorf("Failed to get member cluster name for work %s/%s", obj.GetNamespace(), obj.GetName())
return false
}
clusterObj, err := util.GetCluster(mgr.GetClient(), clusterName)
if err != nil {
klog.Errorf("Failed to get the given member cluster %s", clusterName)
return false
}
return clusterObj.Spec.SyncMode == clusterv1alpha1.Push
},
DeleteFunc: func(deleteEvent event.DeleteEvent) bool {
return false
},
GenericFunc: func(genericEvent event.GenericEvent) bool {
return false
},
}
}
// NewClusterPredicateOnAgent generates an event filter function with Cluster for karmada-agent.
func NewClusterPredicateOnAgent(clusterName string) predicate.Funcs {
return predicate.Funcs{
CreateFunc: func(createEvent event.CreateEvent) bool {
return createEvent.Object.GetName() == clusterName
},
UpdateFunc: func(updateEvent event.UpdateEvent) bool {
return updateEvent.ObjectOld.GetName() == clusterName
},
DeleteFunc: func(deleteEvent event.DeleteEvent) bool {
return deleteEvent.Object.GetName() == clusterName
},
GenericFunc: func(genericEvent event.GenericEvent) bool {
return false
},
}
}
// NewPredicateForServiceExportControllerOnAgent generates an event filter function for ServiceExport controller running by karmada-agent.
func NewPredicateForServiceExportControllerOnAgent(curClusterName string) predicate.Funcs {
return predicate.Funcs{
CreateFunc: func(createEvent event.CreateEvent) bool {
return false
},
UpdateFunc: func(updateEvent event.UpdateEvent) bool {
obj := updateEvent.ObjectNew.(*workv1alpha1.Work)
if util.GetLabelValue(obj.Labels, util.PropagationInstruction) == util.PropagationInstructionSuppressed {
klog.V(5).Infof("Ignored Work(%s/%s) update event as propagation instruction is suppressed.", obj.Namespace, obj.Name)
return false
}
clusterName, err := names.GetClusterName(obj.GetNamespace())
if err != nil {
klog.Errorf("Failed to get member cluster name for work %s/%s", obj.GetNamespace(), obj.GetName())
return false
}
return clusterName == curClusterName
},
DeleteFunc: func(deleteEvent event.DeleteEvent) bool {
return false
},
GenericFunc: func(genericEvent event.GenericEvent) bool {
return false
},
}
}
// NewExecutionPredicateOnAgent generates the event filter function to skip events that the controllers are uninterested.
// Used by controllers:
// - execution controller working in agent
// - work status controller working in agent
func NewExecutionPredicateOnAgent() predicate.Funcs {
return predicate.Funcs{
CreateFunc: func(createEvent event.CreateEvent) bool {
obj := createEvent.Object.(*workv1alpha1.Work)
// Ignore the object that has been suppressed.
if util.GetLabelValue(obj.Labels, util.PropagationInstruction) == util.PropagationInstructionSuppressed {
klog.V(5).Infof("Ignored Work(%s/%s) create event as propagation instruction is suppressed.", obj.Namespace, obj.Name)
return false
}
return true
},
UpdateFunc: func(updateEvent event.UpdateEvent) bool {
obj := updateEvent.ObjectNew.(*workv1alpha1.Work)
// Ignore the object that has been suppressed.
if util.GetLabelValue(obj.Labels, util.PropagationInstruction) == util.PropagationInstructionSuppressed {
klog.V(5).Infof("Ignored Work(%s/%s) update event as propagation instruction is suppressed.", obj.Namespace, obj.Name)
return false
}
return true
},
DeleteFunc: func(deleteEvent event.DeleteEvent) bool {
obj := deleteEvent.Object.(*workv1alpha1.Work)
// Ignore the object that has been suppressed.
if util.GetLabelValue(obj.Labels, util.PropagationInstruction) == util.PropagationInstructionSuppressed {
klog.V(5).Infof("Ignored Work(%s/%s) delete event as propagation instruction is suppressed.", obj.Namespace, obj.Name)
return false
}
return true
},
GenericFunc: func(genericEvent event.GenericEvent) bool {
return false
},
}
}